How reliable is Rennes-Saint-Jacques Airport?
Month-by-month weather risk and connection guidance for Rennes-Saint-Jacques Airport. We don’t yet have on-time performance history here — see why below.
Weather favorability
year-round climate
On-time performance data isn’t available for RNS yet
Our historical on-time and cancellation record currently covers the US, UK, Brazil, and Australia, so we don’t score departure reliability at Rennes-Saint-Jacques Airport yet. Weather climatology below comes from global airport observations and still applies.
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Weather by month
When the weather works for you at Saint-Jacques-de-la-Lande, Ille-et-Vilaine
A calm-weather score (0–100) for each month from decades of airport observations — how often conditions disrupt flying, not temperature. Higher is calmer.
Calmest month
Calmest flying weather of the year · 98/100 favorability
Roughest month
Most disruptive — low visibility & fog, freezing conditions · 89/100 favorability
The read on RNS
What the numbers say about flying through Rennes-Saint-Jacques Airport
PlaneSane doesn't yet have on-time and cancellation history for Rennes-Saint-Jacques Airport, so it isn't scored for departure reliability here — that record currently covers the US, UK, Brazil, and Australia. The weather and connection context below comes from separate global sources and still applies.
On weather, Saint-Jacques-de-la-Lande, Ille-et-Vilaine is an unusually calm-weather airport year-round. July is the calmest stretch for flying, scoring 98 out of 100 for favorable conditions, while January is the most disruptive at 89, driven mainly by low visibility & fog and freezing conditions. The year is relatively steady, so no single month stands out as one to avoid on weather alone.
None of this guarantees your specific flight — it’s the backdrop. To turn it into a booking, score real flights to Saint-Jacques-de-la-Lande, Ille-et-Vilaine, read how we weigh it all in how the PlaneSane Score works, and brush up with how to pick a reliable flight and avoiding weather delays.
Common questions about RNS
- What is the best month to fly from RNS for good weather?
- July has the calmest flying weather at Rennes-Saint-Jacques Airport. January is the most disruptive, mainly from low visibility & fog and freezing conditions.
Planning a trip through Saint-Jacques-de-la-Lande, Ille-et-Vilaine?
Score real flights to and from RNS on reliability, weather, and connection safety — not just price.